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During the 2012–13 influenza season in the United States, influenza activity increased through November and December before peaking in late December. Influenza A (H3N2) viruses predominated overall, but influenza B viruses and, to a lesser extent, ...

National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.

Published:

10/12/2012

Series:

FluView : 2013-2014 Influenza Season ; Week 40

Description:

All data are preliminary and may change as more reports are received. : Background: The Centers for Disease Control and Prevention’s (CDC) Influenza Division collects and analyzes influenza surveillance data year-round and produces a weekly report ...

National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.

Published:

May 11, 2012

Series:

FluView : 2011-2012 Influenza Season ; Week 18 ending May 5, 2012

Description:

All data are preliminary and may change as more reports are received. : Synopsis: During week 18 (April 29-May 5, 2012), influenza activity declined nationally and in most regions, but remained elevated in some areas of the United States. : o U.S. Vi...